ALLJOYN-2092: Add Relay debug macro in daemon/ICEStream.cc as a replacement for code around #if 0

Change-Id: Ie09b64e88825130efc872c42dde144369c1e2b29
ALLJOYN-2047 Add API to allow binder to remove a session member.

Change-Id: I09deeb573cc105c4b81364fe1aa6fba8857f7d3d
ALLJOYN-2222: SConscript cleanup and compile environment isolation.

Change-Id: I631688143258ff868267370612a1066062dd1251